CAN I CHANGE THE FAILED ENGINE OF MY , WITH A SUITABLE JAPANESE CAR ENGINE?

1998 Ford F-150 • 20,000 miles

Pleass recall my question on the above subject and Engineer Billymacs desire to know if I have the 4.2 6 cylinder engine.I can afford Japanese engine which is cheaper in this part of the world but I don; t know which make and size is compartible with the brainbox and gearbox of my 4.2 6 cylinder Ford F-150 engine. I shall be very relieved if you help me. Thx once again for not getting tired with my questions